47764515 has 16 divisors (see below), whose sum is σ = 76637088. Its totient is φ = 25403136.

The previous prime is 47764487. The next prime is 47764523. The reversal of 47764515 is 51546774.

It is not a de Polignac number, because 47764515 - 2¹⁰ = 47763491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (4789818).

Almost surely, 2^47764515 is an apocalyptic number.

47764515 is a deficient number, since it is larger than the sum of its proper divisors (28872573).

47764515 is a wasteful number, since it uses less digits than its factorization.

47764515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8918.

The product of its digits is 117600, while the sum is 39.

The square root of 47764515 is about 6911.1876692794. The cubic root of 47764515 is about 362.8288320191.

The spelling of 47764515 in words is "forty-seven million, seven hundred sixty-four thousand, five hundred fifteen".